The 2022–2024 Ram 6.7L Cummins All-In-One Kit w/ MM3 from DIESELR is a complete tuning and upgrade system designed for Ram 2500 and 3500 trucks equipped with the latest Cummins platform. This package combines the MM3 tuning device, Dieselr calibration files, and supporting hardware components to deliver a streamlined installation and integrated performance upgrade.

By bundling the core components required for ECM tuning, airflow optimization, and exhaust system improvements, this system simplifies the process of upgrading the 6.7L Cummins platform while ensuring compatibility between all included parts.

Overview

The 2022–2024 Ram 6.7L Cummins All-In-One Kit w/ MM3 is designed to provide a complete tuning platform that integrates hardware, calibration files, and supporting airflow components into a single upgrade package.

At the center of the system is the MM3 tuning platform, allowing users to load Dieselr tune files, monitor engine parameters, and manage tuning configurations directly from the device.

Supporting components such as the OBD-II Splitter Unlock Cable, EGR upgrade options, and exhaust configurations ensure that airflow and system compatibility are maintained across the entire setup.

Key Details

• Complete MM3-based tuning system for 2022–2024 Ram 6.7L Cummins trucks
• Includes MM3 device with Dieselr tuning files
• OBD-II Splitter Unlock Cable for accessing the factory PCM connection
• Multiple EGR upgrade kit options available
• Several exhaust system configurations for airflow and compatibility
• Designed as a bundled solution to simplify installation and system integration

What’s Included

MM3 Device – Blank (Cummins Platform)
A dedicated tuning interface that allows users to load Dieselr tune files and monitor engine parameters directly from the device.

DIESELR MM3 Tune Files (2022–2024 Cummins 6.7L)
Calibration files developed specifically for the 2022–2024 Ram 6.7L Cummins platform.

OBD-II Splitter Unlock Cable (2018+ 6.7L Cummins)
This cable allows access to the truck’s PCM through the OBD-II system by connecting to the factory star connector while maintaining normal OBD-II functionality.

EGR Upgrade Kit Options

• DIESELR Signature EGR Upgrade Kit (2010–2024 Cummins 6.7L)
• DIESELR EGR Upgrade Kit (2010–2024 Cummins 6.7L)

Exhaust System Options

• Dieselr Aluminized 4" Cat & DPF/SCR Race Pipe (2019–2024 Cummins)
• DIESELR Cat & DPF Race Pipe (2019+ Ram 6.7L Cummins)
• DIESELR Downpipe Back Exhaust – 4" or 5"
• Dieselr Aluminized Flex Pipe Back Exhaust – 4" or 5"

Compatibility

2022–2024 Ram 2500
2022–2024 Ram 3500

Engine: 6.7L Cummins Turbo Diesel

Important Fitment Notice

The included OBD-II Splitter Unlock Cable is designed specifically for 2018+ Ram trucks equipped with the 6.7L Cummins engine.

It does not work on 3.0L EcoDiesel Ram trucks or Jeep EcoDiesel vehicles.

Why Choose Dieselr

Dieselr systems are engineered to provide reliable solutions for diesel performance platforms. By combining tested components with professionally developed tuning files, Dieselr ensures compatibility, consistent results, and simplified installation for Cummins owners.

Each component included in this bundle is selected to work together as part of a complete upgrade system for the modern Ram 6.7L Cummins platform.

Price

Collections

2022-2024 Cummins 6.7L Bundles

DIESELR 6.7L RAM Cummins All-In-One Kit (2022–2024, 68RFE)

DIESELR 6.7L RAM Cummins All-In-One Kit w/ MM3 (2022–2024)